/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package grails.web.servlet.bootstrap;

import groovy.lang.Closure;

import grails.core.GrailsClass;

/**
 * Loaded and executed on application load.
 *
 * @author Graeme Rocher
 */
public interface GrailsBootstrapClass extends GrailsClass {

    /**
     * Calls the init closure if one exists.
     */
    void callInit();

    /**
     * Calls the destroy closure if one exists.
     */
    void callDestroy();

    /**
     * Returns the init closure which is called on application load.
     *
     * @return A Closure instance
     */
    @SuppressWarnings("rawtypes")
    Closure getInitClosure();

    /**
     * Returns the destroy closure which is called on application exit.
     *
     * @return A Closure instance
     */
    @SuppressWarnings("rawtypes")
    Closure getDestroyClosure();
}
